1.Save the file name OASysUltra.zip from the shortcut link to your computer 2.Unzip and extract from the files saved in step 1 the OASysSetup.exe program file
LOG-OUT AND CLOSE OASys BEFORE ATTEMPTING STEP 3
3.Run the program file “OASysSetup.exe” extracted in step 2 to start the install process 4.Follow the onscreen install wizard to complete the installation, select the
"Repair" option to modify and update system
5. Login to OASys
6. Select "YES" when prompted at the start- up screen for the Employer
Tax Table to be upgraded ...
7. Wait for the upgrade process to complete